Conceptid (2) | Preflabel |
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ZBN01469 | Abundance of Sphaerium (ITIS: 81391: WoRMS 181560) per unit area of the bed by sieving and picking under an optical microscope |
ZBVV1469 | Ash-free dry weight biomass of Sphaerium (ITIS: 81391: WoRMS 181560) per unit area of the bed by identification by optical microscopy and gravimetric determination of loss on ignition |